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+2 MATHEMATICS slip test question bank
WWW.MATHSTIMES.COM Page 1
g‹åbu©lh« tF¥ò - ÁW nj®Î
fâjéaš
m¤Âaha«
6
kÂ¥bg©
édh¡fŸ
10
kÂ¥bg©
édh¡fŸ
ÁW
nj®Îfë‹
v©â¡if
( 6 kÂ¥bg© )
ÁW
nj®Îfë‹
v©â¡if
( 10 kÂ¥bg© )
muR bghJ¤
nj®éš
bgW«
Fiwªjg£r
kÂ¥bg©
1. mâfŸ k‰W«
mâ¡nfhitfë‹ ga‹ghLfŸ
32 - 4 0 12
2. bt¡l® Ïa‰fâj«
- 20 0 4 20
3. fy¥bg©fŸ
32 10 4 2 16
4. gFKiw tot¡ fâj«
- 17 0 4 20
5. tif E©fâj« -
ga‹ghLfŸ I
- - - - -
6. tif E©fâj« -
ga‹ghLfŸ I I
16 11 2 2 16
7. bjhif E©fâj« -
ga‹ghLfŸ
8 9 1 2 10
8. tif¡bfG¢ rk‹ghLfŸ
- 13 0 2 10
9. jåãiy¡ fz¡»aš
24 15 3 3 22
10. ãfœjfÎ¥ gutš
- - - - -
bkh¤j« 112 95 14 19 128
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1. mâfŸ k‰W« mâ¡nfhitfë‹ ga‹ghLfŸ( 6 kÂ¥bg© édh¡fŸ)
ÁW nj®Î 1
1.
53
21A vd;w mzpapd; NrHg;igf; fz;L> . A A ) A adj ( ) A adj (A vd;gijr; rhpghHf;f.
2.
41
21A vdpy;> 2IAAAadjAadjA vd;gjidr; rhpghH.
3.
344
101
334
A -,d; NrHg;G mzp A vd epWTf.
4.
544
434
221
A -f;F> 1 AA vdf; fhl;Lf.
5.
11715
4312
3111
vd;w mzpapd; juk; fhz;f.
6.
323
432
111
vd;w mzpapd; juk; fhz;f.
7.
3963
2642
1321
vd;w mzpapd; juk; fhz;f.
8.
1012
7436
3124
vd;w mzpapd; juk; fhz;f.
ÁW nj®Î 2
1.
2751
5121
1513
vd;w mzpapd; juk; fhz;f.
2.
0312
0101
0213
vd;w mzpapd; juk; fhz;f.
3.
0111
1032
1210
vd;w mzpapd; juk; fhz;f.
4.
7363
2142
3121
vd;w mzpapd; juk; fhz;f.
5.
6721
3142
4321
vd;w mzpapd; juk; fhz;f.
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6.
432
323
111
vd;w mzpapd; juk; fhz;f.
gpd;tUk; rkd;ghLfspd; njhFg;G xUq;fikT cilajh vd;gij Muha;f. xUq;fikT cilajhapd; mtw;iwjjPHf;f
7. 62;1832;7 zyzyxzyx
8. 52687;13283;1474 zyxzyxzyx
ÁW nj®Î 3
1. mzpf;Nfhit Kiwapy; gpd;tUk; rkd;ghLfspd; njhFg;Gfisj; jPHf;f : 1664;832 yxyx
2. mzpf;Nfhit Kiwapy; gpd;tUk; rkd;ghLfspd; njhFg;Gfisj; jPHf;f : 18108;954 yxyx
3.mzpf;Nfhit Kiwapy; gpd;tUk; rkd;ghLfspd; njhFg;Gfisj; jPHf;f :
423;1;522 zyxzyxzyx
4. mzpf;Nfhit Kiwapy; gpd;tUk; rkd;ghLfspd; njhFg;Gfisj; jPHf;f :
10633;8422;42 zyxzyxzyx
5. NeHkhW mzpfhzy; Kiwapy; jPHf;f : 832,3 yxyx
6. NeHkhW mzpfhzy; Kiwapy; jPHf;f :
1123,72 yxyx
7. NeHkhW mzpfhzy; Kiwapy; jPHf;f :
02,137 yxyx
8. mzpfspd; NeHkhWfSf;Fhpa thpirkhw;W tpjpapid vOjp ep&gp.
ÁW nj®Î 4
1.
37
25A kw;Wk;
11
12B vdpy; 111
ABAB vd;gjidr; rhpghH.
2.
37
25A kw;Wk;
11
12B vdpy;
TTT
ABAB vd;gjidr; rhpghH.
3.
11
21A kw;Wk;
21
10B vdpy; 111
ABAB .
4.
312
321
111
A -,d; NrHg;G mzpiaf; fhz;f.
5. gpd;tUk; mzpfspd; NeHkhW mzpfisf; fhz;f.
121
022
113
A
6.
gpd;tUk; mzpfspd; NeHkhW mzpfisf; fhz;f
120
031
221
7. .
gpd;tUk; mzpfspd; NeHkhW mzpfisf; fhz;f
4110
215
318
8. .
gpd;tUk; mzpfspd; NeHkhW mzpfisf; fhz;f
221
131
122
2. bt¡l® Ïa‰fâj« (10 kÂ¥bg© édh¡fŸ )
ÁW nj®Î 5
1. xU Kf;Nfhzj;jpd; Fj;Jf;NfhLfs; xNu Gs;spapy; re;jpf;Fk; vd;gjid ntf;lH Kiwapy; epWTf 2. cos A + B = cosA cosB − sinA sinB vd ntf;lH Kiwapy; ep&gp. 3. cos A − B = cosA cosB + sinA sinB vd ntf;lH Kiwapy; ep&gp. 4. sin A − B = sinA cosB − cosA sinB vd ntf;lH Kiwapy; ep&gp.
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5. sin A + B = sinA cosB + cosA sinB vd ntf;lH Kiwapy; ep&gp.
ÁW nj®Î 6
1. 𝑎 = 2 𝑖 + 3𝑗 − 𝑘 , 𝑏 = −2 𝑖 + 5 𝑘 , 𝑐 = 𝑗 − 3 𝑘 vdpy; 𝑎 × 𝑏 × 𝑐 = 𝑎 . 𝑐 𝑏 − 𝑎 . 𝑏 𝑐 vd rhpahHf;f
2. 𝑎 = 𝑖 + 𝑗 + 𝑘 , 𝑏 = 2 𝑖 + 𝑘 , 𝑐 = 2 𝑖 + 𝑗 + 𝑘 , 𝑑 = 𝑖 + 𝑗 + 2 𝑘 vdpy
; 𝑎 × 𝑏 × 𝑐 × 𝑑 = 𝑎 𝑏 𝑑 𝑐 − 𝑎 𝑏 𝑐 𝑑 vd rhpahHf;f
3. 𝑥−1
1 =
𝑦+1
−1 =
𝑧
3kw;Wk;
𝑥−2
1 =
𝑦−1
2 =
−𝑧−1
1vd;w NfhLfs; ntl;bf; nfhs;Sk; vdf; fhl;Lf. NkYk; mit ntl;Lk;
Gs;spiaf; fhz;f
4. 𝑥−1
3 =
𝑦−1
−1 =
𝑧+1
0 kw;Wk;
𝑥−4
2 =
𝑦
0 =
𝑧+1
3vd;w NfhLfs; ntl;Lk; vdf; fhl;b mit ntl;Lk; Gs;spiaf; fhz;f
5. ntl;Lj;Jz;L tbtpy; xU jsj;jpd; rkd;ghl;ilj; jUtpf;f.
ÁW nj®Î 7
1. (2,−1,−3) topNar; nry;yf;$baJk; 𝑥−2
3 =
𝑦−1
2 =
𝑧−3
−4 kw;Wk;
𝑥−1
2 =
𝑦+1
3 =
𝑧−2
2 Mfpa NfhLfSf;F ,izahf
cs;sJkhd jsj;jpd; ntf;lH kw;Wk; fhHBrpad; rkd;ghLfisf; fhz;f
2. (1,3,2) vd;w Gs;sp topr; nry;tJk; 𝑥+1
2 =
𝑦+2
−1 =
𝑧+3
3 kw;Wk;
𝑥−2
1 =
𝑦+1
2 =
𝑧+2
2vd;w
NfhLfSf;F,izahdJkhd jsj;jpd; ntf;lH kw;Wk; fhHBrpad; rkd;ghLfisf; fhz;f 3. (−1,3,2) vd;w Gs;sp topr; nry;tJk; 𝑥 + 2𝑦 + 2𝑧 = 5 kw;Wk; 3𝑥 + 𝑦 + 2𝑧 = 8 Mfpa jsq;fSf;Fr; nrq;Fj;jhdJkhd jsj;jpd; ntf;lH kw;Wk; fhHBrpad; rkd;ghLfisf; fhz;f.
4. 𝑥−2
2 =
𝑦−2
3 =
𝑧−1
3vd;w Nfhl;il cs;slf;fpaJk;
𝑥+1
3 =
𝑦−1
2 =
𝑧+1
1 vd;w Nfhl;bw;F ,izahdJkhd jsj;jpd;
ntf;lH kw;Wk; fhHBrpad; rkd;ghLfisf; fhz;f.
5. 𝑥−2
2 =
𝑦−2
3 =
𝑧−1
−2vd;w Nfhl;il cs;slf;fpaJk; (−1,1,−1) vd;w Gs;sp topNar; nry;yf; $baJkhd ntf;lH
kw;Wk; fhHBrpad; rkd;ghLfisf; fhz;f
ÁW nj®Î 8
1. (−1,1,1) kw;Wk; (1,−1,1) Mfpa Gs;spfs; toNar; nry;yf; $baJk; 𝑥 + 2𝑦 + 2𝑧 = 5 vd;w jsj;jpw;F nrq;Fj;jhf miktJkhd jsj;jpd; ntf;lH kw;Wk; fhHBrpad; rkd;ghl;ilf; fhz;f
2. A ( 1,−2,3) kw;Wk; B (−1,2,−1) vd;w Gs;spfs; topNar; nry;yf;$baJk; 𝑥−2
2 =
𝑦+1
3 =
𝑧−1
4vd;w Nfhl;bw;F
,izahdJkhd jsj;jpd; ntf;lH kw;Wk; fhHBrpad; rkd;ghLfisf; fhz;f. 3. (1,2,3) kw;Wk; (2,3,1) vd;w Gs;spfs; topNar; nry;yf; $baJk; 3𝑥 − 2𝑦 + 4𝑧 − 5 = 0 vd;w jsj;jpw;Fr; nrq;Fj;jhfTk; mike;j jsj;jpd; ntf;lH kw;Wk; fhHBrpad; rkd;ghLfisf; fhz;f 4. (2,2,−1) , (3,4,2) kw;Wk; (7,0,6) Mfpa Gs;spfs; topNar; nry;yf;$ba jsj;jpd; ntf;lH kw;Wk; fhHBrpad; rkd;ghl;ilf; fhz;f
5. 3 𝑖 + 4𝑗 + 2 𝑘 , 2 𝑖 − 2𝑗 − 𝑘 kw;Wk; 7 i + k Mfpatw;iw epiy ntf;lHfshff; nfhz;l Gs;spfs; topNar; nry;Yk; jsj;jpd; ntf;lH kw;Wk; fhHBrpad; rkd;ghLfisf; fhz;f 3. fy¥bg©fŸ (6 kÂ¥bg© édh¡fŸ )
ÁW nj®Î 9
1. i68 -,d; tHf;f%yk; fhz;f.
2. i247 -,d; tHf;f%yk; fhz;f.
3. i32 I xU jPHthff; nfhz;l 03584 24 xxx vDk; rkd;ghl;ilj; jPHf;f.
4. i3 I xU jPHthff; nfhz;l 02032248 234 xxxx vDk; rkd;ghl;bd; jPHTfisf; fhz;f.
5. i21 I xU jPHthff; nfhz;l 01014114 234 xxxx vDk; rkd;ghl;bd; jPHTfisf; fhz;f.
6. i2 I xU jPHthff; nfhz;l 010332256 234 xxxx vDk; rkd;ghl;bd; jPHTfisf; fhz;f.
7. iBAibaibaiba nn ...2211 vdpy; ep&gp : (i) 222222
22
21
21 ... BAbababa nn
(ii) ZkA
Bk
a
b
a
b
a
b
n
n
,tantan....tantan 11
2
21
1
11
8. iii 74,25,57 kw;Wk; i42 vDk; fyg;ngz;fs; xU ,izfuj;ij mikf;Fk; vd epWTf.
ÁW nj®Î 10
1. MHfd; jsj;jpy; fyg;ngz;fs; ii 42,810 kw;Wk; i3111 mikf;Fk; Kf;Nfhzk; xU nrq;Nfhz Kf;Nfhzk;
vd epWTf.
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2.
iii 3333,33,33 vDk; fyg;ngz;fs; xU rkgf;f Kf;Nfhzj;ij MHfd; jsj;jpy; cUthf;Fk; vd;W
fhl;Lf. 3.
iii 44,1,2 kw;Wk; i53 vDk; fyg;ngz;fs; MHfd; jsj;jpy; xU nrt;tfj;ij cUthf;Fk; vdf; fhl;Lf.
4.
iii 33,73,97 vDk; fyg;ngz;fs; MHfd; jsj;jpy; xU nrq;Nfhz Kf;Nfhzj;ij mikf;Fk; vd epWTf.
5. 21 , ZZ vd;w VNjDk; ,U fyg;ngz;fSf;F (i) 2121 ZZZZ (ii) 2121 argargarg ZZZZ vd ep&gp.
6. 21 , ZZ vd;w VNjDk; ,U fyg;ngz;fSf;F (i)
2
1
2
1
Z
Z
Z
Z (ii) 21
2
1 argargarg ZZZ
Z
vd ep&gp.
7.
cos21
xx vdpy;(i) n
xx
n
n cos21 (ii) ni
xx
n
n sin21 ; Nn vd ep&gp.
8.
sincos;sincos iyix vdpy; nmyx
yxnm
nm cos21
; Nmn , vdf; fhl;Lf.
ÁW nj®Î 11
1. epWTf: 4
cos211 2
2n
ii
n
nn
; Nn
2. epWTf: 3
cos23131 1 nii nnn ; Nn
3. epWTf: 2
cos2cos2sincos1sincos1 1
nii nnnn ; Nn
4. n vd;gJ kpif KO vz; vdpy; 6
cos233 1 nii nnn vd ep&gpf;f.
5. RUf;Ff:
5
4
cossin
sincos
i
i
6. RUf;Ff:
4
3
cossin
sincos
i
i
7. n vd;gJ kpif KO vz; vdpy;
2sin
2cos
cossin1
cossin1nin
i
in
vd ep&gpf;f.
8. Kf;Nfhz rkdpypia vOjp ep&gp.
ÁW nj®Î 12
1. vy;yh kjpg;GfisAk; fhz;f. 318i
2. jPHf;f: (i) 044 x
3. P vDk; Gs;sp fyg;ngz; khwp zIf; Fwpj;jhy; P-,d; epakg;ghijia gpd;tUtdtw;wpw;F fhz;f. 232 z .
4. 13 vdpy 02
1
1
1
21
1
vd epWTf.
5. sinsinsin0coscoscos vdpy; gpd;tUtdtw;iw epWTf:
(i) cos33cos3cos3cos
(ii) sin33sin3sin3sin
6. (iii) 02cos2cos2cos
(iv) 02sin2sin2sin
7. 1z ,d; tPr;R6
kw;Wk; 1z ,d; tPr;R
32
vdpy; 1z vd epWTf.
8. P vDk; Gs;sp fyg;ngz; khwp zIf; Fwpj;jhy; P-,d; epakg;ghijia gpd;tUtdtw;wpw;F fhz;f.
iziz 55
3. fy¥bg©fŸ (10 kÂ¥bg© édh¡fŸ )
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ÁW nj®Î 13
1. 𝑥2 − 2𝑝𝑥 + 𝑝2 + 𝑞2 = 0 vd;w rkd;ghl;bd; %yq;fs; 𝛼,𝛽 kw;Wk; tan θ = 𝑞
𝑦+𝑝 vdpy;
𝑦+𝛼 𝑛 − 𝑦+𝛽 𝑛
𝛼 − 𝛽 = 𝑞𝑛−1 sin 𝑛𝜃
sinn𝜃 vd epWTf.
2. 𝛼,𝛽 vd;git 𝑥2 − 2𝑥 + 2 = 0 -d; %yq;fs; kw;Wk; cot θ = y + 1 vdpy;
𝑦+𝛼 𝑛 − 𝑦+𝛽 𝑛
𝛼 − 𝛽 =
sin nθ
si nn θ vdf; fhl;Lf
3. 𝑥2 − 2𝑥 + 4 = 0 -,d; %yq;fs; 𝛼 kw;Wk; 𝛽 vdpy; 𝛼𝑛 − 𝛽𝑛 = 𝑖2𝑛+1 sin 𝑛𝜋
3 mjpypUe;J α9 − β9 kjpg;ig ngWf
.4. a = cos 2α + i sin 2α, b = cos 2β + i sin 2βkw;Wk; c = cos 2 γ + i sin 2γ vdpy;
i 𝑎𝑏𝑐 + 1
𝑎𝑏𝑐 = 2 cos 𝛼 + 𝛽 + 𝛾 ii
𝑎2𝑏2 + 𝑐2
𝑎𝑏𝑐 = 2 cos 2 𝛼 + 𝛽 − 𝛾 ±Éì ¸¡ðθ
5. 𝑃 vDk; Gs;sp fyg;ngz; khwp z If; Fwpj;jhy; 𝑃-,d; epakg;ghijia arg z−1
z+3 =
π
2vd;w fl;Lghl;;bw;F cl;gl;L
fhz;f
ÁW nj®Î 14
1. 1
2 − i
3
2
3
4-d; vy;yh kjpg;GfisAk; fhz;f kw;Wk; mjd; kjpg;Gfspd; ngUf;fw;gyd; 1 vdTk; fhl;Lf
2. jPHf;f: 𝑥4 − 𝑥3 + 𝑥2 − 𝑥 + 1 = 0. 3. 𝑥9 + 𝑥5 − 𝑥4 − 1 = 0 vd;w rkd;ghl;ilj; jPHf;f 4. 𝑥7 + 𝑥4 + 𝑥3 + 1 = 0 vd;w rkd;ghl;ilj; jPHf;f.
5. − 3 − i 2
3 d; vy;yh kjpg;GfisAk; fhz;f.
SLIP TEST - 15 [10 mark] ÀÌÓ¨È ÅÊÅ¢Âø
1. 5𝑥 + 12𝑦 = 9 ±ýÈ §¿÷째¡Î «¾¢ÀÃŨÇÂõ 𝑥2 − 9𝑦2 = 9 -³ò ¦¾¡Î¸¢ÈÐ ±É ¿¢åÀ¢ì¸.
§ÁÖõ ¦¾¡Îõ ÒûÇ¢¨ÂÔõ ¸¡ñ¸.
2. 𝑥 − 𝑦 + 4 = 0±ýÈ §¿÷째¡Î ¿£ûÅð¼õ 𝑥2 + 3𝑦2 = 12 -³ò ¦¾¡Î¸¢ÈÐ ±É ¿¢åÀ¢ì¸. §ÁÖõ
¦¾¡Îõ ÒûÇ¢¨ÂÔõ ¸¡ñ¸
3. 𝑥 + 2𝑦 − 5 = 0-³ ´Õ ¦¾¡¨Äò ¦¾¡Î§¸¡¼¡ ¸×õ(6,0)ÁüÚõ (−3,0)±ýÈ ÒûÇ¢¸û ÅÆ¢§Â
¦ºøÄìÜÊÂÐÁ¡É ¦ºùŸ «¾¢ÀÃŨÇÂò¾¢ý ºÁýÀ¡Î ¸¡ñ¸.
4..«¾¢ÀÃŨÇÂò¾¢ý ¨ÁÂõ 2,4 .§ÁÖõ (2,0) ÅÆ¢§Â ¦ºø¸¢ÈÐ. þ¾ý ¦¾¡¨Äò ¦¾¡Î§¸¡Î¸û
𝑥 + 2𝑦 − 12 = 0 ÁüÚõ 𝑥 − 2𝑦 + 8 = 0 ¬¸¢ÂÅüÈ¢üÌ þ¨½Â¡¸ þÕ츢ýÈÉ ±É¢ø
«¾¢ÀÃŨÇÂò¾¢ý ºÁýÀ¡Î ¸¡ñ¸.
SLIP TEST - 16 [10 mark]
1. ´Õ ¦¾¡íÌ À¡Äò¾¢ý ¸õÀ¢ żõ ÀÃŨÇ ÅÊÅ¢ÖûÇÐ. «¾ý À¡Ãõ ¸¢¨¼Áð¼Á¡¸ º£Ã¡¸ ÀÃÅ¢ÔûÇÐ. «¨¾ò
¾¡íÌõ þÕ àñ¸ÙìÌ þ¨¼§ÂÔûÇ àÃõ 1500 «Ê. ¸õÀ¢ żò¨¾ ¾¡íÌõ ÒûÇ¢¸û རø ¾¨Ã¢ĢÕóÐ
200 «Ê ¯ÂÃò¾¢ø «¨ÁóÐûÇÉ. §ÁÖõ ¾¨Ã¢ĢÕóÐ ¸õÀ¢ żò¾¢ý ¾¡úÅ¡É ÒûǢ¢ý ¯ÂÃõ 70 «Ê,
¸õÀ¢Å¼õ 122 «Ê ¯ÂÃò¾¢ø ¾¡íÌõ ¸õÀò¾¢üÌ þ¨¼§Â ¯ûÇ ¦ºíÌòÐ ¿£Çõ ¸¡ñ¸.(¾¨ÃìÌ þ¨½Â¡¸)
2. ´Õ ¦¾¡íÌ À¡Äò¾¢ý ¸õÀ¢ żõ ÀÃŨÇ ÅÊÅ¢ÖûÇÐ. «¾ý ¿£Çõ 40Á£ð¼÷ ¬Ìõ. ÅÆ¢ôÀ¡¨¾Â¡ÉÐ ¸õÀ¢
żò¾¢ý ¸£úÁð¼ô ÒûǢ¢ĢÕóÐ 5 Á£ð¼÷ ¸£§Æ ¯ûÇÐ. ¸õÀ¢ żò¨¾ ¾¡íÌõ àñ¸Ç¢ý ¯ÂÃí¸û 55
Á£ð¼÷ ±É¢ø 30 Á£ð¼÷ ¯ÂÃò¾¢ø ¸õÀ¢ żò¾¢üÌ ´Õ Ш½ ¾¡í¸¢ Üξġ¸ì ¦¸¡Îì¸ôÀð¼¡ø
«òШ½ò¾¡í¸¢Â¢ý ¿£Çò¨¾ì ¸¡ñ¸.
3. ´Õ âø§Å À¡Äò¾¢ý §Áø ŨÇ× ÀÃŨÇÂò¾¢ý «¨Áô¨Àì ¦¸¡ñÎûÇÐ. «ó¾ ŨÇÅ¢ý «¸Äõ 100
«Ê¡¸×õ «ùŨÇÅ¢ý ¯îº¢ôÒûǢ¢ý ¯ÂÃõ À¡Äò¾¢Ä¢ÕóÐ 10 «Ê¡¸ ×õ ¯ûÇÐ ±É¢ø, À¡Äòò¾¢ý
Áò¾¢Â¢Ä¢ ÕóÐ þ¼ôÒÈõ «øÄÐ ÅÄôÒÈõ 10 «Ê àÃò¾¢ø À¡Äò¾¢ý §Áø ŨÇ× ±ùÅÇ× ¯ÂÃò¾¢ø
þÕìÌõ?
4. ´Õ Å¡ø Å¢ñÁ£ý ¬ÉÐ Ýâ¨Éî ÍüÈ¢ ÀÃŨÇÂô À¡¨¾Â¢ø ¦ºø¸¢ÈÐ ÁüÚõ ÝâÂý ÀÃŨÇÂò¾¢ý
ÌÅ¢Âò¾¢ø «¨Á¸¢ÈÐ. Å¡ø Å¢ñÁ£ý ÝâÂɢĢÕóÐ 80 Á¢øÄ¢Âý ¸¢.Á£. ¦¾¡¨ÄÅ¢ø «¨ÁóÐ þÕìÌõ §À¡Ð
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Å¡ø Å¢ñÁ£¨ÉÔõ Ýâ¨ÉÔõ þ¨½ìÌõ §¸¡Î «îͼý 𝜋
3 §¸¡½ò¾¢¨É ²üÀÎòÐÁ¡É¡ø (i) Å¡ø
Å¢ñÁ£É¢ý À¡¨¾Â¢ý ºÁýÀ¡ð¨¼ì ¸¡ñ¸. (ii) Å¡ø Å¢ñÁ£ý ÝâÂÛìÌ ±ùÅÇ× «Õ¸¢ø ÅÃÓÊÔõ
±ýÀ¨¾Ôõ ¸¡ñ¸.(À¡¨¾ ÅÄÐÒÈõ ¾¢ÈôÒ¨¼Â¾¡¸ ¦¸¡û¸)
SLIP TEST - 17 [ 10 mark]
1. ´Õ á즸ð ¦ÅÊ¡ÉÐ ¦¸¡ÙòÐõ §À¡Ð «Ð ´Õ ÀÃŨÇÂô À¡¨¾Â¢ø ¦ºø¸¢ÈÐ. «¾ý ¯îº ¯ÂÃõ 4
Á£ð¼÷ ³ ±ðÎõ§À¡Ð «Ð ¦¸¡Ùò¾ôÀð¼ þ¼ò¾¢Ä¢ÕóÐ ¸¢¨¼Áð¼ àÃõ 6 Á£ð¼÷ ¦¾¡¨ÄÅ¢ÖûÇÐ. þÚ¾¢Â¡¸
¸¢¨¼Áð¼Á¡¸ 12Á£ ¦¾¡¨ÄÅ¢ø ¾¨Ã¨Â Å󾨼¸¢ÈÐ ±É¢ø ÒÈôÀð¼ þ¼ò¾¢ø ¾¨ÃÔ¼ý ²üÀÎòÐõ
±È¢§¸¡½õ ¸¡ñ¸.
2. ¾¨ÃÁð¼ò¾¢Ä¢ÕóÐ 7.5Á£ ¯ÂÃò¾¢ø ¾¨ÃìÌ þ¨½Â¡¸ ¦À¡Õò¾ôÀð¼ ´Õ Ìơ¢ĢÕóÐ ¦ÅÇ¢§ÂÚõ ¿£÷
¾¨Ã¨Âò ¦¾¡Îõ À¡¨¾ ´Õ ÀÃŨÇÂò¨¾ ²üÀÎòи¢ÈÐ. §ÁÖõ þó¾ ÀÃŨÇÂô À¡¨¾Â¢ý  Ìơ¢ý
š¢ø «¨Á¸¢ÈÐ. ÌÆ¡ö Áð¼ò¾¢üÌ 2.5Á£ ¸£§Æ ¿£Ã¢ý À¡öÅ¡ÉÐ Ìơ¢ý  ÅƢ¡¸î ¦ºøÖõ ¿¢¨Ä
ÌòÐ째¡ðÊüÌ 3 Á£ð¼÷ àÃò¾¢ø ¯ûÇÐ ±É¢ø ÌòÐì §¸¡ðÊÄ¢ÕóÐ ±ùÅÇ× àÃò¾¢üÌ «ôÀ¡ø ¿£Ã¡ÉÐ
¾¨Ã¢ø Å¢Øõ.
3. ´Õ ŨÇ× «¨Ã-¿£ûÅð¼ ÅÊÅ¢ø ¯ûÇÐ. «¾ý «¸Äõ 48 «Ê, ¯ÂÃõ 20 «Ê. ¾¨Ã¢ĢÕóÐ 10 «Ê
¯ÂÃò¾¢ø ŨÇÅ¢ý «¸Äõ ±ýÉ?
4. ´Õ À¡Äò¾¢ý ŨÇÅ¡ÉÐ «¨Ã-¿£ûÅð¼ ÅÊÅ¢ø ¯ûÇÐ. ¸¢¨¼Áð¼ò¾¢ø «¾ý «¸Äõ 40 «Ê¡¸×õ,
¨ÁÂò¾¢Ä¢ÕóÐ «¾ý ¯ÂÃõ 16 «Ê¡¸×õ ¯ûÇÐ ±É¢ø ¨ÁÂò¾¢Ä¢ÕóÐ ÅÄÐ «øÄÐ þ¼ô ÒÈò¾¢ø 9 «Ê
àÃò¾¢ø ¯ûÇ ¾¨ÃôÒûǢ¢ĢÕóÐ À¡Äò¾¢ý ¯ÂÃõ ±ýÉ?
SLIP TEST - 18 [10 mark]
1. ´Õ ѨÆ× Å¡Â¢Ä¢ý §ÁüܨáÉÐ «¨Ã-¿£ûÅð¼ ÅÊÅ¢ø ¯ûÇÐ. þ¾ý «¸Äõ 20 «Ê. ¨ÁÂò¾¢Ä¢ÕóÐ
«¾ý ¯ÂÃõ 18 «Ê ÁüÚõ Àì¸î ÍÅâ¸Ç¢ý ¯ÂÃõ 12 «Ê ±É¢ø ²§¾Ûõ ´Õ Àì¸î ÍÅâĢÕóÐ 4 «Ê
àÃò¾¢ø §Áüܨâý ¯ÂÃõ ±ýÉÅ¡¸ þÕìÌõ?
2. ´Õ ¿£ûÅð¼ô À¡¨¾Â¢ý ÌÅ¢Âò¾¢ø âÁ¢ þÕìÌÁ¡Ú ´Õ Ш½ì§¸¡û ÍüÈ¢ ÅÕ¸¢ÈÐ. þ¾ý ¨ÁÂò ¦¾¡¨Ä×
¾¸× 1
2 ¬¸×õ âÁ¢ìÌõ Ш½ì §¸¡ÙìÌõ þ¨¼ôÀð¼ Á£îº¢Ú àÃõ 400 ¸¢§Ä¡ Á£ð¼÷¸û ¬¸×õ
þÕìÌÁ¡É¡ø Ш½ì §¸¡ÙìÌõ âÁ¢ìÌõ þ¨¼ôÀð¼ «¾¢¸Àðº àÃõ ±ýÉ?
3. ÝâÂý ÌÅ¢Âò¾¢Ä¢ÕìÌÁ¡Ú ¦Á÷ìÌâ ¸¢Ã¸Á¡ÉÐ Ý̢嬃 ´Õ ¿£ûð¼ô À¡¨¾Â¢ø ÍüÈ¢ ÅÕ¸¢ÈÐ. «¾ý «¨Ã
¦¿ð¼îº¢ý ¿£Çõ 36 Á¢øÄ¢Âý ¨Áø¸û ¬¸×õ ¨ÁÂò ¦¾¡¨Ä× ¾¸× 0 ⋅ 206 ¬¸×õ þÕìÌÁ¡Â¢ý (𝑖)
¦Á÷ìÌâ ¸¢Ã¸Á¡ÉÐ ÝâÂÛìÌ Á¢¸ «Õ¸¡¨Á¢ø ÅÕõ§À¡Ð ¯ûÇ àÃõ (𝑖𝑖) ¦Á÷ìÌâ ¸¢Ã¸Á¡ÉÐ ÝâÂÛìÌ
Á¢¸ò ¦¾¡¨ÄÅ¢ø þÕìÌõ §À¡Ð ¯ûÇ àÃõ ¬¸¢ÂÅü¨Èì ¸¡ñ¸.
4. ´Õ §¸¡-§¸¡ Å¢¨Ç¡ðΠţÃ÷ Å¢¨Ç¡ðÎô À¢üº¢Â¢ý §À¡Ð «ÅÕìÌõ §¸¡-§¸¡ Ìì¸ÙìÌõ þ¨¼§ÂÔûÇ
àÃõ ±ô¦À¡ØÐõ 8 Á£ ¬¸ þÕìÌÁ¡Ú ¯½÷¸¢È¡÷. «ùÅ¢Õ Ì¸ÙìÌ þ¨¼ôÀð¼ àÃõ 6 Á£ ±É¢ø «Å÷
µÎõ À¡¨¾Â¢ý ºÁýÀ¡¨¼ì ¸¡ñ¸.
5. ´Õ ºÁ¾Çò¾¢ý §Áø ¦ºíÌò¾¡¸ «¨ÁóÐûÇ ÍÅâý Á£Ð 15Á£ ¿£ÇÓûÇ ²½¢Â¡ÉÐ ¾Çò¾¢¨ÉÔõ
ÍÅüÈ¢¨ÉÔõ ¦¾¡ÎÁ¡Ú ¿¸÷óÐ ¦¸¡ñÎ þÕ츢ÈÐ ±É¢ø ²½¢Â¢ý ¸£úÁð¼ ӨɢĢÕóÐ 6Á£ àÃò¾¢ø
²½¢Â¢ø «¨ÁóÐûÇ 𝑃 ±ýÈ ÒûǢ¢ý ¿¢ÂÁôÀ¡¨¾ì ¸¡ñ¸.
6. tif E©fâj« - ga‹ghLfŸ I I (6 kÂ¥bg© édh¡fŸ ) ÁW nj®Î 19
1. zyxu tantantanlog vdpy; 22sin
x
ux vd ep&gp.
2. xzzyyxU vdpy; 0 zyx UUU vdf; fhl;Lf.
3. 2xyez vd;w rhHgpy; tx 2 kw;Wk; ty 1 vDkhW ,Ug;gpd;
dt
dzfhz;f.
4.
22 zyxw vd;w rhHgpy; tztytx ;sin;cos vdpy;dt
dwfhz;f.
5.
zxyw vd;w rhHgpy; tztytx ;sin;cos vdpy;dt
dwfhz;f.
6. byaxzeV kw;Wk; z MdJ x,y-,y; n-Mk; gb rkg;gbj;jhd rhHghapd; Vnbyaxy
Vy
x
Vx
vd epWTf.
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7. xU jdp Crypd; ePsk; kw;Wk; KO miyT Neuk; T vdpy; kT (k vd;gJ khwpyp). jdpCrypd; ePsk; 32.1
nr.kP ,ypUe;J 32.0 nr.kPf;F khWk; NghJ> Neuj;jpy; Vw;gLk; rjtPjg; gpioia fzf;fpLf.
8. u vd;gJ gb n nfhz;l rkg;gbj;jhd x,y ,y; mike;j rhHG vdpy;> y
un
y
uy
yx
ux
1
2
22
vdffhl;Lf.
ÁW nj®Î 20
1. tifaPLfisg; gad;gLj;jp 3 65 Njhuha kjpg;Gfisf; fhz;f.
2. tifaPLfisg; gad;gLj;jp 1.36 Njhuha kjpg;Gfisf; fhz;f.
3. tifaPLfisg; gad;gLj;jp 1.10
1Njhuha kjpg;Gfisf; fhz;f.
4. tifaPLfisg; gad;gLj;jp 697.1 Njhuha kjpg;Gfisf; fhz;f.
5. sin,cos ryrx vd;W ,Uf;FkhW 22log yxw vd tiuaWf;fg;gLfpwJ vdpy;r
w
kw;Wk;
w
-If; fhz;f.
6.
uvyvux 2,22 vd;W ,Uf;FkhWu
w
kw;Wk;
v
w
if
22 yxw -If; fhz;f.
7.
y
xxyu sin2 vdpy; u
y
uy
x
ux 3
vdf; fhl;Lf.
8.
22 yx
xw
vd;w rhHgpy
tytx sin;cos vdpy;
dt
dwfhz;f.
6. tif E©fâj« - ga‹ghLfŸ I I (10 kÂ¥bg© édh¡fŸ ) ÁW nj®Î 21
1. 𝑦 = 𝑥3 + 1vd;fpw tistiuia tiuf.
2. 𝑦2 = 2𝑥3vd;w tistiuia tiuf. 3. 𝑦 = 𝑥3vd;fpw tistiuia tiuf
4. 𝑓 𝑥, 𝑦 = 1
𝑥2 + 𝑦2f;F A+yhpd; Njw;wj;ij rhpghHf;f
5. 𝑢 = sin−1 𝑥−𝑦
𝑥+ 𝑦 vdpy; A+yhpd; Njw;wj;ijg; gad;gLj;jp 𝑥
∂𝑢
∂𝑥 + 𝑦
∂𝑢
∂𝑦 =
1
2 tan𝑢vdf; fhl;Lf
6. 𝑢 = tan−1 𝑥3 + 𝑦3
𝑥−𝑦 vdpy;vdpy; A+yhpd; Njw;wj;ijg; gad;gLj;j𝑥
∂𝑢
∂𝑥 + 𝑦
∂𝑢
∂𝑦 = sin2𝑢vd ep&gpf;f
ÁW nj®Î 22
1. tifaPLfisg; gad;gLj;jp 𝑦 = 1.023
+ 1.024
d; Njhuha kjpg;igf; fzf;fpLf.
2. 𝑤 = 𝑢2𝑒𝑣vd;w rhHgpy;𝑢 = 𝑥
𝑦kw;Wk;𝑣 = 𝑦 log 𝑥vDkhW ,Ug;gpd;
x
w
kw;Wk;
∂𝑤
∂𝑦fhz;f.
3. 𝑢 = 𝑥
𝑦2 − 𝑦
𝑥2vdpy; ∂2𝑢
∂𝑥 ∂𝑦 =
∂2𝑢
∂𝑦 ∂𝑥vd;gij rhpghHf;f.
4. 𝑢 = sin 3𝑥 cos 4𝑦 vdpy; ∂2𝑢
∂𝑥 ∂𝑦 =
∂2𝑢
∂𝑦 ∂𝑥vd;gij rhpghHf;f
5. 𝑢 = tan−1 𝑥
𝑦 vdpy;
∂2𝑢
∂𝑥 ∂𝑦 =
∂2𝑢
∂𝑦 ∂𝑥vd;gij rhpghHf;f
7. bjhif E©fâj« - ga‹ghLfŸ ( 6kÂ¥bg© édh¡fŸ )
ÁW nj®Î 23
1. kjpg;gpLf: dxx
2
0
tanlog
2. kjpg;gpLf:
3
6 cot1
x
dx
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3. . kjpg;gpLf:
3
0 3 xx
dxx
4. . kjpg;gpLf:
3
6 tan1
x
dx
5. kjpg;gpLf:. dxx
1
0
11
log
6. kjpg;gpLf: dxxx
n
1
0
1
7. kjpg;gpLf: dxx
4sin
2
0
9
8. kjpg;gpLf: dxxx 22
0
4 cossin
7. bjhif E©fâj« - ga‹ghLfŸ ( 10 kÂ¥bg© édh¡fŸ )
ÁW nj®Î 24
1. Muk; ‘ ‘ Fj;Jauk; ‘ ℎ ‘ cila $k;gpd; fdmsitf; fhz;f.
2. 𝑥
𝑎
2 3
+ 𝑦
𝑎
2 3
= 1 vd;w tistiuapd; ePsj;ijf; fhz;f
3. Muk; 𝑎cila tl;lj;jpd; Rw;wsitf; fhz;f. 4. 𝑥 = 𝑎 𝑡 − sin 𝑡 , 𝑦 = 𝑎 1 − cos 𝑡 vd;w tistiuapd; ePsj;jpid 𝑡 = 0 Kjy; π tiu fzf;fpLf. 5. 4𝑦2 = 𝑥3vd;w tistiuapy; 𝑥 = 0,ypUe;J𝑥 = 1tiuAs;s tpy;ypd; ePsj;ijf; fhz;f
ÁW nj®Î 25
1. 𝑦 = sin 𝑥vd;w tistiu 𝑥 = 0 , 𝑥 = πkw;Wk; 𝑥-mr;R Mfpatw;why; Vw;gLk; gug;gpid 𝑥-mr;rpidg;
nghWj;J Row;Wk; NghJ fpilf;Fk; jplg;nghUspd; tisgug;G 2π 2 + log 1 + 2 vd epWTf
2. 𝑥 = 𝑎 𝑡 + sin 𝑡 , 𝑦 = 𝑎 1 + cos 𝑡 vd;w tl;l cUs;tis mjd; mbg;gf;fj;ijg; (𝑥 −mr;R) nghWj;J Row;Wtjhy; Vw;gLk; jplg; nghUspd; tisg;gug;igf; fhz;f
3. 𝑦2 = 4𝑎𝑥 vd;w gutisaj;jpd; mjd; nrt;tfyk; tiuapyhd gug;gpid 𝑥 −mr;rpd; kPJ Row;Wk;NghJ fpilf;Fk; jplg; nghUspd; tisgug;igf; fhz;f 4. Muk; 𝑟myFfs;cs;s Nfhsj;jpd; ikaj;jpypUe;J 𝑎kw;Wk;𝑏myFfs; njhiytpy; mike;j ,U ,izahd jsq;fs; Nfhsj;ij ntl;Lk;NghJ ,ilg;gLk; gFjpapd; tisgug;G 2π 𝑟 𝑏 − 𝑎 vd epWTf. ,jpypUe;J Nfhsj;jpd; tisgug;ig tUtp. 𝑏 > 𝑎 8. tif¡bfG¢ rk‹ghLfŸ ( 10 kÂ¥bg© édh¡fŸ )
ÁW nj®Î 26
1. xU ,urhad tpistpy;> xU nghUs; khw;wk; milAk; khW tPjkhdJ 𝑡 Neuj;jpy; khw;wkilahj mg;nghUspd; mstpw;F tpfpjkhf cs;sJ. xU kzp Neu Kbtpy; 60 fpuhKk; kw;Wk; 4 kzp Neu Kbtpy; 21 fpuhKk; kPjkpUe;jhy;> Muk;g epiyapy;> mg;nghUspd; vilapidf; fhz;f. vj;jid fpuhk; ,Ue;jpUf;Fk; 2. Ez;ZapHfspd; ngUf;fj;jpy;> ghf;Bhpahtpd; ngUf;ftPjkhdJ mjpy; fhzg;gLk; ghf;Bhpahtpd; vz;zpf;iff;F tpfpjkhf mike;Js;sJ. ,g;ngUf;fj;jhy; ghf;Bhpahtpd; vz;zpf;if 1 kzp Neuj;jpy; Kk;klq;fhfpwJ vdpy; Ie;J kzp Neu Kbtpy; ghf;Bhpahtpd; vz;zpf;if Muk;g epiyiaf; fhl;bYk ;35 klq;fhFk; vdf; fhl;Lf 3. xU efuj;jpy; cs;s kf;fs; njhifapd; tsHr;rptPjk; me;Neuj;jpy; cs;s kf;fs; njhiff;F tpfpjkhf mike;Js;sJ. 1960 Mk; Mz;by; kf;fs; njhif 130000 vdTk; 1990 ,y; kf;fs; njhif 160000 MfTk; ,Ug;gpd; 2020 Mk; Mz;by; kf;fs; njhif vt;tsthf ,Uf;Fk;? 4. xU fjphpaf;fg; nghUs; rpijAk; khWtPjkhdJ mjd; vilf;F tpfpjkhf mike;Js;sJ. mjd; vil 10 kp.fpuhk; Mf ,Uf;Fk; NghJ rpijAk; khWtPjk; ehnshd;Wf;F 0.051 kp.fpuhk; vdpy; mjd; vil 10 fpuhkpypUe;J 5 fpuhkhff; Fiw vLj;Jf; nfhs;Sk; fhy msitf; fhz;f
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5. xU tq;fpahdJ njhlH $l;L tl;b Kiwapy; tl;biaf; fzf;fpLwfpwJ. mjhtJ tl;b tPjj;ij me;je;j Neuj;jpy; mrypd; khW tPjj;jpy; fzf;fpLfpwJ. xUtuJ tq;fp ,Ug;gpd; njhlHr;rpahd $l;L tl;b %yk; Mz;nlhd;Wf;F 8%tl;b ngUfpwJ vdpy;> mtuJ tq;fpapUg;gpd; xU tUl fhy mjpfhpg;gpd; rjtPjj;ijf; fzf;fpLf. [𝑒 .08 = 1.0833vLj;Jf; nfhs;f 6. &. 1000 vd;w njhiff;F njhlHr;rp $l;L tl;b fzf;fplg;gLfpwJ. tl;b tPjk; Mz;nlhd;Wf;F 4 rjtPjkhf ,Ug;gpd;> mj;njhif vj;jid Mz;Lfspy; Muk;gj; njhifiag; Nghy; ,U klq;fhFk;? ( log𝑒2 = 0.6931)
7. Nubak; rpijAk; khWtPjkhdJ> mjpy; fhzg;gLk; mstpw;F tpfpjkhf mike;Js;sJ. 50 tUlq;fspy; Muk;g mstpypUe;J 5 rjtPjk; rpije;jpUf;fpwJ vdpy; 100 tUl Kbtpy; kPjpapUf;Fk; msT vd;d? [𝐴0I Muk;g msT vdf; nfhs;f].
ÁW nj®Î 27
1. ntg;gepiy 15° 𝐶cs;s xU miwapy; itf;fg;gl;Ls;s NjePhpd; ntg;gepiy 100° 𝐶MFk;. mJ 5 epkplq;fspy;60°𝐶Mf Fiwe;J tpLfpwJ. NkYk; 5 epkplk; fopj;J NjePhpd; ntg;g epiyapid fhz;f 2. xU ,we;jtH cliy kUj;JtH ghpNrhjpf;Fk; NghJ> ,we;j Neuj;ij Njhuhakhf fzf;fpl Ntz;bAs;sJ. ,we;jthpd; clypd; ntg;gepiy fhiy 10.00 kzpastpy; 93.4 ° 𝐹vd Fwpj;Jf; nfhs;fpwhH. NkYk; 2 kzp Neuk; fopj;J ntg;gepiy msit 91.4° 𝐹 vdf; fhz;fpwhH. miwapd; ntg;gepiy msT (epiyahdJ)72° 𝐹 vdpy;> ,we;j Neuj;ijf; fzf;fpLf. (xU kdpj clypd;
rhjhuz c\;z epiy 98.6° 𝐹vdf; nfhs;f). log𝑒19.4
21.4 = − 0.0426 , log𝑒
26.6
21.4 = − 0.00945
3. 𝑑2𝑦
𝑑𝑥2 − 3𝑑𝑦
𝑑𝑥 + 2𝑦 = 2𝑒3𝑥vd;w tiff;nfOr; rkd;ghl;ilj; jPHf;f. ,q;F 𝑥 = log2 vdpy; 𝑦 = 0 kw;Wk; 𝑥 = 0 vdpy; 𝑦 = 0
4. jPHf;f : 𝐷2 − 6𝐷 + 9 𝑦 = 𝑥 + 𝑒2𝑥 5. jPHf;f : 𝐷2 − 1 𝑦 = cos 2 𝑥 − 2 sin 2𝑥 6. xU Nehahspapd; rpWePhpypUe;J Ntjpg;nghUs; ntspNaWk; mstpid njhlHr;rpahf Nfj;NjlH vd;w fUtpapd; %yk; fz;fhzpf;fg;gLfpwJ. 𝑡 = 0
vd;w Neuj;jpy; Nehahspf;F 10 kp.fpuhk; Ntjpg;nghUs; nfhLf;fg;gLfpwJ. ,J −3𝑡1 2 kp.fpuhk; / kzp vd;Dk; tPjjj;jpy; ntspNaWfpwJ vdpy;> (i) Neuk;𝑡 > 0vDk;NghJ> Nehahspapd; clypYs;s Ntjpg;nghUspd; msitf; fhZk; nghJr; rkd;ghL vd;d? (ii) KOikahf Ntjpg;nghUs; ntspNaw vLj;Jf; nfhs;Sk; Fiwe;jgl;r fhy msT vd;d?
9. jåãiy¡ fz¡»aš ( 6 kÂ¥bg© édh¡fŸ )
ÁW nj®Î 28
(1) qpqp ~ vdf; fhl;Lf.
(2) pqqpqp vdf; fhl;Lf.
(3) pqqpqp ~~ vdf; fhl;Lf.
(4) qpqp ~~~ vdf; fhl;Lf.
(5) qp kw;Wk; pq rkhdkw;wit vdf; fhl;Lf.
(6) qpqp vd;gJ xU nka;ik vdf; fhl;Lf.
(7) rqp ~ -f;Fhpa nka; ml;ltizia mikf;f.
(8) rqp -,d; nka; ml;ltizia mikf;f.
ÁW nj®Î 29
1. rqp -,d; nka; ml;ltizia mikf;f.
2. qpqp ~ -,d; nka; ml;ltizia mikf;f.
3. rqp -,d; nka; ml;ltizia mikf;f.
4. qPqp ~~~ vdf; fhl;Lf.
5. ~ ~p q p xU nka;ik vdf; fhl;Lf.
6. qpq ~ xU Kuz;ghL vdf; fhl;Lf.
7. qpqP ~~ xU nka;ikah vd;gjid nka; ml;ltiziaf; nfhz;L jPHkhdpf;f.
8. pqpp ~~ xU nka;ikah vd;gjid nka; ml;ltiziaf; nfhz;L jPHkhdpf;f.
ÁW nj®Î 30
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1. ,Z xU Kbtw;w vgPypad; Fyk; vd epWTf
2.
10
01,
10
01,
10
01,
10
01Mfpa ehd;F mzpfSk; mlq;fpa fzk; mzpg;ngUf;fypd;
fPo; xU vgPypad; Fyj;ij mikf;Fk; vdf; fhl;Lf. 3. Fyj;jpd; ePf;fy; tpjpfis vOjp epWTf. 4. vjpHkiw tpjpapid vOjp ep&gp. 5. 1 ,d; 4-Mk; gb %yq;fs; ngUf;fypd; fPo; vgPypad; Fyj;ij mikf;Fk; vd epWTf 6. 1 ,d; 3 Mk; gb %yq;fs; xU Kbthd vgPypad; Fyj;ij ngUf;fypd; fPo; mikf;Fk; vdf; fhl;Lf. 7. 2 X 2 thpir nfhz;l G+r;rpakw;w Nfhit mzpfs; ahTk; Kbtw;w vgPypad; my;yhj Fyj;ij mzp ngUf;fypd; fPo; mikf;Fk; vdf; fhl;Lf. (,q;F mzpapd; cWg;Gfs; ahTk; RIr; NrHe;jit). 8. G+r;rpakw;w fyg;ngz;fspd; fzk;> fyg;ngz;fspd; tof;fkhd ngUf;fypd; fPo; xU vgPypad; Fyk; vdf; fhl;Lf. 9. jåãiy¡ fz¡»aš ( 10 kÂ¥bg© édh¡fŸ )
ÁW nj®Î 31
1. 1 00 1
, ω 00 ω2 , ω
2 00 ω
, 0 11 0
, 0 ω2
ω 0 ,
0 ωω2 0
vd;fpw fzk; mzpg;ngUf;fypd; fPo;
xU Fyj;ij mikf;Fk; vdf; fhl;Lf.(ω3 = 1) 2. 11-,d; kl;Lf;F fhzg;ngw;w ngUf;fypd;fPo; 1 , 3 , 4 , 5 , 9 vd;w fzk; xU vgPypad; Fyj;ij mikf;Fk; vdf; fhl;Lf. 3. 𝑍7 − 0 , ⋅ x7 xU Fyj;ij mikf;Fk; vdf; fhl;Lf
4. G+r;rpakw;w fyg;ngz;fspd; fzkhd 𝐶 − 0 ,y; tiuaWf;fg;gl;l 𝑓1 𝑧 = 𝑧, 𝑓2 𝑧 = − 𝑧, 𝑓3 𝑧 = 1
𝑧, 𝑓4 𝑧 =
− 1
𝑧 ∀ 𝑧 ∈ 𝐶 − 0 vd;w rhHGfs; ahTk; mlq;fpa fzk;𝑓1 , 𝑓2 , 𝑓3 , 𝑓4MdJ
rhHGfspd; NrHg;gpd; fPo; xU vgPypad; Fyk; mikf;Fk; vd epWTf
5. 𝑥 𝑥𝑥 𝑥
; 𝑥 ∈ ℝ − 0 vd;w mikg;gpy; cs;s mzpfs; ahTk; mlq;fpa fzk; 𝐺MdJ
mzpg;ngUf;fypd; fPo; xU Fyk; vdf; fhl;Lf.
ÁW nj®Î 32
1. 𝑎 00 0
, 𝑎 ∈ ℝ − 0 mikg;gpy; cs;s vy;yh mzpfSk; mlq;fpa fzk; mzpg;ngUf;fypd; fPo;
xU vgPypad; Fyj;ij mikf;Fk; vdf; fhl;Lf. 2. ℤ , ∗ xU Kbtw;w vgPypad; Fyk; vdf; fhl;Lf. ,q;F ∗MdJ 𝑎 ∗ 𝑏 = 𝑎 + 𝑏 + 2 vDkhW tiuaWf;fg;gl;Ls;sJ.
3. 𝐺vd;gJ kpif tpfpjKW vz; fzk; vd;f.𝑎 ∗ 𝑏 = 𝑎𝑏
3,𝑎 , 𝑏 ∈ 𝐺vDkhW tiuaWf;fg;gl;l nrayp ∗-
,d; fPo; 𝐺 xU Fyj;ij mikf;Fk; vdf; fhl;Lf. 4. 1Ij; jtpu kw;w vy;yh tpfpjKW vz;fSk; mlq;fpa fzk; 𝐺vd;f. 𝐺y; ∗I𝑎 ∗ 𝑏 = 𝑎 + 𝑏 − 𝑎𝑏, ∀ 𝑎 , 𝑏 ∈ 𝐺vDkhW tiuaWg;Nghk;. ( 𝐺 ,∗ )xU Kbtw;w vgPypad; Fyk; vdf; fhl;Lf 5. −1 –I jtpu kw;w vy;yh tpfpjKW vz;fSk; cs;slf;fpa fzk; 𝐺MdJ 𝑎 ∗ 𝑏 = 𝑎 + 𝑏 + 𝑎𝑏 𝑎 , 𝑏 ∈ 𝐺.vDkhW tiuaWf;fg;gl;l nrayp ∗ - ,d; fPo; xU vgPypad; Fyj;ij mikf;Fk; vdf; fhl;Lf.
ÁW nj®Î 33
1. tof;fkhd ngUf;fypd; fPo; 1 −,d; 𝑛 −Mk; gb %yq;fs; Kbthd Fyj;ij mikf;Fk; vdf; fhl;Lf 2.. 𝑍𝑛 , +𝑛 xU Fyk; vdf; fhl;Lf 3. 𝐺 = 2𝑛 / 𝑛 ∈ ℤ vd;w fzkhdJ ngUf;fypd; fPo; xU vgPypad; Fyj;ij mikf;Fk; vdf; fhl;Lf 4. 𝑧 = 1vDkhW cs;s fyg;ngz;fs; ahTk; mlq;fpa fzk; 𝑀MdJ fyg;ngz;fspd; ngUf;fypd; fPo; xU Fyj;ij mikf;Fk; vdf; fhl;Lf.
5. 𝐺 = 𝑎 + 𝑏 2 / 𝑎, 𝑏 ∈ 𝑄 vd;gJ $l;liyg; nghWj;J xU Kbtw;w vgPypad; Fyk; vdf; fhl;Lf.
ÁW nj®Î 34
1) xU rktha;g;G khwp 𝑋-,d; epfo;jfT epiwr;rhHG guty; gpd;tUkhW cs;sJ
𝑋 0 1 2 3 4 5 6
𝑃 𝑋 = 𝑥 𝑘 3𝑘 5𝑘 7𝑘 9𝑘 11𝑘 13𝑘
1 𝑘-,d; kjpg;G fhz;f. (2) 𝑃 𝑋 < 4 , 𝑃 𝑋 ≥ 5 , 𝑃 3 < 𝑋 ≤ 6 ,tw;wpd; kjpg;G fhz;f.
(3) 𝑃 𝑋 ≤ 𝑥 >1
2Mf ,Uf;f 𝑥,d; kPr;rpW kjpg;G fhz;f.
2) xU nfhs;fyj;jpy; 4 nts;is kw;Wk; 3 rptg;Gg; ge;JfSk; cs;sd. 3 ge;Jfis xt;nthd;whf vLf;Fk;NghJ>
rptg;G epwg; ge;Jfspd; vz;zpf;ifapd; epfo;jfTg; guty; (epiwr;rhHG) fhz;f.
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3) Ie;J taJila xU caHe;j tif ehapd; KO Mal;fhyk; xU rktha;g;G khwpahFk;. mjd; guty; rhHG
(NrHg;G) 𝐹 𝑥 = 0 , 𝑥 ≤ 5
1 − 25
𝑥2 , 𝑥 > 5 vdpy; 5 taJila eha;(i) 10Mz;LfSf;Ff; Fiwthf(ii) 8Mz;LfSf;Ff;
Fiwthf(iii) 12,ypUe;J15Mz;Lfs; tiu capH tho;tjw;fhd epfo;jfT fhz;f. mjpfkhf 4) xU rktha;g;G khwp𝑥,d; epfo;jfT mlHj;jpr; rhHG
5) 𝑓 𝑥 = 𝑘xα − 1e− β xα , 𝑥 ,α , β > 0
0 , k‰wgo vdpy;(i) 𝑘 ,d; kjpg;G fhz;f.(ii) 𝑃 ( 𝑋 > 10 )fhz;f.
5) xU NgUe;J epiyaj;jpy;> xU epkplj;jpw;F cs;Ns tUk; NgUe;Jfspd; vz;zpf;if gha;]hd; gutiyg; ngw;wpUf;fpwJ vdpy;λ = 0.9 ,vdf; nfhz;L
i. 5 epkpl fhy ,ilntspapy; rhpahf 9 NgUe;Jfs; cs;Ns tu ii. 8 epkpl fhy ,ilntspapy; 10f;Fk; Fiwthf NgUe;Jfs; cs;Ns tu
iii. 11 epkpl fhy ,ilntspapy; Fiwe;jgl;rk; 14 NgUe;Jfs; cs;Ns tu epfo;jfT fhz;f. 6) xU efuj;jpy; thlif tz;b Xl;LdHfshy; Vw;gLk; tpgj;Jfspd; vz;zpf;if gha;]hd; gutiy
xj;jpUf;fpwJ.,jd; gz;gsit 3 vdpy;>1000 Xl;LeHfspy;(i)xU tUlj;jpy; xU tpgj;Jk; Vw;glhky; (ii)xU tUlj;jpy; %d;W tpgj;JfSf;F Nky; Vw;glhky; ,Uf;Fk;gbahd Xl;LdHfspd; vz;zpf;ifiaf; fhz;f. 𝑒−3 = 0.0498
ÁW nj®Î 35
1. xU ,ay;epiyg; gutypd; epfo;jfTg; guty;𝑓 𝑥 = 𝑐𝑒− x2 + 3𝑥 , − ∞ < 𝑋 < ∞vdpy; 𝑐 , 𝜇 ,𝜎2,tw;iwf; fhz;f 2. ,ay;epiy khwp𝑋-d; ruhrhp 6 kw;Wk; jpl;l tpyf;fk; 5 MFk;. i 𝑃 0 ≤ 𝑋 ≤ 8 ii 𝑃 𝑋 − 6 < 10 Mfpatw;iwf; fhz;f 3. xU NjHtpy; 1000 khztHfspd; ruhrhp kjpg;ngz; 34 kw;Wk; jpl;l tpyf;fk; 16 MFk;. kjpg;ngz; ,ay;epiyg; gutiy ngw;wpUg;gpd; (i) 30 ,ypUe;J 60 kjpg;ngz;fSf;fpilNa kjpg;ngz; ngw;w khztHfspd; vz;zpf;if (ii)kj;jpa 70%khztHfs; ngWk; kjpg;ngz;fspd; vy;iyfs; ,tw;iwf; fhz;f. 4. ,ay;epiyg; gutypd; epfo;jfT mlHj;jpr; rhHG𝑓 𝑥 = 𝑘e− 2 x2 + 4𝑥 , − ∞ < 𝑋 < ∞vdpy; 𝑘 , 𝜇kw;Wk;σ2,d; kjpg;G fhz;f 5. etPd rpw;We;Jfspy; nghUj;jg;gLk; rf;fuq;fspypUe;J rktha;g;G Kiwapy; NjHe;njLf;fg;gLk; rf;fuj;jpd; fhw;wOj;jk; ,ay;epiyg; gutiy xj;jpUf;fpwJ. fhw;wOj;j ruhrhp 31 psi. NkYk; jpl;l tpyf;fk; 0.2 psi vdpy; i a 30.5 psi f;Fk 31.5 𝑝𝑠𝑖 f;Fk; ,ilg;gl;l fhw;wOj;jk;(b) 30psif;Fk;32 psif;Fk; ,ilg;gl;l fhw;wOj;jk; vd ,Uf;Fk;gbahf rf;fuj;jpid NjHe;njLf;f epfo;jfT fhz;f. (ii)rktha;g;G Kiwapy; NjHe;njLf;fg;gLk; rf;fuj;jpd; fhw;wOj;jk; 30.5 psif;F mjpfkhf ,Uf;f epfo;jfT fhz;f. 6. xU Fwpg;gpl;l fy;Y}hpapy; 500 khztHfspd; vilfs; xU ,ay;epiyg; gutiy xj;jpUg;gjhff nfhs;sg;gLfpwJ . ,jd; ruhrhp 151 gTz;LfshfTk; jpl;l tpyf;fk; 15 gTz;LfshfTk; cs;sd. (i) 120gTz;Lf;Fk;155gTz;Lf;Fk; ,ilNaAs;s khztHfs;(ii) 185gTz;Lf;F Nky; epiwAs;s khztHfspd; vz;zpf;if fhz;f
𝒛 0 ⋅ 267 2 ⋅ 067 2 ⋅ 27 2 ⋅ 5 0 ⋅ 4 1 ⋅ 2 2 0 ⋅ 25 1 ⋅ 63 1 ⋅ 4
gug;G 0 ⋅ 1064 0 ⋅ 4808 0 ⋅ 4884 0 ⋅ 4938 0 ⋅ 1554 0 ⋅ 3849 0 ⋅ 4772 0 ⋅ 0987 0 ⋅ 4484 0 ⋅ 35